Journal of Thermal Analysis and Calorimetry
Volume/Issue:
Volume 49: Issue 2
Simultaneous non-invasive microwave dielectric spectroscopy and dynamic mechanical analysis for studying drying processes
Author:
G. Foster Thermal Methods and Conservation Science Laboratory, Birkbeck College, University of London, Gordon House, 29 Gordon Square, WC1H OPP London, UK

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Pages:
1069–1079
Online Publication Date:
05 Aug 2005
Publication Date:
01 Aug 1997
Article Category:
Research Article
DOI:
https://doi.org/10.1007/bf01996795
Keywords:
complex heterogeneous materials; dynamic mechanical analyser; microwave dielectric spectroscopy
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Abstract  

The aim of this paper is to describe how a dynamic mechanical analyser can be used together with the microwave coaxial line technique. This coupling enables the simultaneous recording of changes in the mechanical properties and moisture content of materials as a function of time or temperature at a selected frequency. The sample is placed either directly under the probe or clamped in the sample holder of the dynamic mechanical analyser. Sample positioning and heating is accurately controlled by the mechanical analyser and its temperature controller. Samples can be subjected to a constant static force, a frequency or both. A micro probe, recently designed for measurements on semi-rigid and rigid surfaces [1], and connected to a network analyser was used to monitor the moisture content of the samples.

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Cover Journal of Thermal Analysis and Calorimetry
Journal of Thermal Analysis and Calorimetry
Print ISSN:
1388-6150
Online ISSN:
1572-8943

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Journal of Thermal Analysis and Calorimetry
Language English
Size A4
Year of
Foundation		 1969
Volumes
per Year		 1
Issues
per Year		 24
Founder Akadémiai Kiadó
Founder's
Address		 H-1117 Budapest, Hungary 1516 Budapest, PO Box 245.
Publisher Akadémiai Kiadó
Springer Nature Switzerland AG
Publisher's
Address		 H-1117 Budapest, Hungary 1516 Budapest, PO Box 245.
CH-6330 Cham, Switzerland Gewerbestrasse 11.
Responsible
Publisher		 Chief Executive Officer, Akadémiai Kiadó
ISSN 1388-6150 (Print)
ISSN 1588-2926 (Online)

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